Such a bump may or may not itch or hurt, but in any case it turns into an open sore that slowly becomes larger, oozes and may even bleed.

• 这种肿块起初可能发痒或破溃，也可能不痒或不破口，但是，无论如何，它都会转变成开放的溃口，并且慢慢变大而呈胶胨样，甚至有出血。